[PATCH] iio: mma8452: add missed iio_device_unregister in probe failure

[Chuhong Yuan]

mma8452_probe() calls iio_device_register() but misses to call
iio_device_unregister() when probe fails.
Add the missed call in error handler to fix it.

Signed-off-by: Chuhong Yuan <hsleste...@gmail.com>
---
 drivers/iio/accel/mma8452.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c
index 00e100fc845a..813bca7cfc3e 100644
--- a/drivers/iio/accel/mma8452.c
+++ b/drivers/iio/accel/mma8452.c
@@ -1685,10 +1685,13 @@ static int mma8452_probe(struct i2c_client *client,
 
        ret = mma8452_set_freefall_mode(data, false);
        if (ret < 0)
-               goto buffer_cleanup;
+               goto unregister_device;
 
        return 0;
 
+unregister_device:
+       iio_device_unregister(indio_dev);
+
 buffer_cleanup:
        iio_triggered_buffer_cleanup(indio_dev);
 
-- 
2.26.2